56470540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 142778160

約数和(自身を除く): 86307620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 1987, 2030, 2842, 3974, 4060, 5684, 7105, 7948, 9935, 13909, 14210, 19870, 27818, 28420, 39740, 55636, 57623, 69545, 97363, 115246, 139090, 194726, 230492, 278180, 288115, 389452, 403361, 486815, 576230, 806722, 973630, 1152460, 1613444, 1947260, 2016805, 2823527, 4033610, 5647054, 8067220, 11294108, 14117635, 28235270, 56470540]

約数ペア:

[(1, 56470540), (2, 28235270), (4, 14117635), (5, 11294108), (7, 8067220), (10, 5647054), (14, 4033610), (20, 2823527), (28, 2016805), (29, 1947260), (35, 1613444), (49, 1152460), (58, 973630), (70, 806722), (98, 576230), (116, 486815), (140, 403361), (145, 389452), (196, 288115), (203, 278180), (245, 230492), (290, 194726), (406, 139090), (490, 115246), (580, 97363), (812, 69545), (980, 57623), (1015, 55636), (1421, 39740), (1987, 28420), (2030, 27818), (2842, 19870), (3974, 14210), (4060, 13909), (5684, 9935), (7105, 7948)]